diff --git a/build-constraints.yaml b/build-constraints.yaml
index cff0a2c6..7fd3f8f3 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -5158,7 +5158,7 @@ packages:
 
     "Torsten Schmits <stackage@schmits.me> @tek":
         - exon
-        - incipit-base
+        - incipit-base < 0.7 # https://github.com/commercialhaskell/stackage/issues/7994
         - incipit-core
         - polysemy
         - polysemy-plugin